Home > Single Vision Lenses 1.5 Standard plastic sunglass lens £25.50 Price includes: Two lenses Lens fitting to full or half-rim frame Delivery by Royal Mail first class recorded post Please select lens colour Green Grey Brown Description 1.50 Index CR39 is the standard most common type plastic lens used. Standard plastic lenses are suitable for prescriptions up to +/- 3.00D max 2cyl. This lens tint turn your glasses into sunglasses - approximately 85% light reduction, for the brightest of days. Available in brown, grey or green. View all Single Vision lenses